Antenna chassis



FIG. 1 is a perspective view of the top, front and right side of an antenna chassis showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an enlarged cross sectional view at 7—7 showing in FIG. 2. 

The ornamental design for an antenna chassis, as shown and described. 